Period
to 14 December 2018

The following table provides summary statistics for contract job vacancies advertised in the North West with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 14 December 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
England > North West
6 months to
14 Dec 2018
Same period 2017 Same period 2016
Rank 26 24 24
Rank change year-on-year -2 0 +13
Contract jobs citing TDD 381 372 412
As % of all contract IT jobs advertised in the North West 6.35% 6.57% 6.34%
As % of the Processes & Methodologies category 7.66% 7.95% 7.41%
Number of daily rates quoted 276 285 336
North West median daily rate £450 £400 £425
Median daily rate % change year-on-year +12.50% -5.88% +10.03%
10th Percentile £325 £313 £313
90th Percentile £561 £570 £538
England median daily rate £513 £500 £463
% change year-on-year +2.50% +8.11% +2.78%
Number of hourly rates quoted 2 6 3
North West median hourly rate £45.00 £43.00 £42.50
Median hourly rate % change year-on-year +4.65% +1.18% -
England median hourly rate £45.00 £45.00 £42.50
% change year-on-year - +5.88% +6.25%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the North West with a requirement for process or methodology skills.

All Process and Methodology Skills
North West
Contract vacancies with a requirement for process or methodology skills 4,973 4,682 5,561
As % of all contract IT jobs advertised in the North West 82.90% 82.63% 85.61%
Number of daily rates quoted 3,146 3,017 3,593
North West median daily rate £410 £400 £400
Median daily rate % change year-on-year +2.50% - -
10th Percentile £263 £263 £250
90th Percentile £575 £588 £571
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% -
Number of hourly rates quoted 280 206 167
North West median hourly rate £22.40 £27.00 £22.85
Median hourly rate % change year-on-year -17.05% +18.19% -23.11%
10th Percentile £11.55 £11.75 £11.85
90th Percentile £48.75 £52.63 £53.20
England median hourly rate £22.22 £25.00 £22.92
% change year-on-year -11.14% +9.06% +4.19%

TDD
Job Vacancy Trend in the North West

Job postings citing TDD as a percentage of all IT jobs advertised in the North West.

Job vacancy trend for TDD in the North West

TDD
Contractor Daily Rate Trend in the North West

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in the North West.

Contractor daily rate trend for TDD in the North West

TDD
Contractor Daily Rate Histogram in the North West

The daily rate distribution of IT jobs citing TDD in the North West over the 6 months to 14 December 2018.

Contractor daily rate histogram for TDD in the North West

TDD
Contractor Hourly Rate Trend in the North West

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in the North West.

Contractor hourly rate trend for TDD in the North West

TDD
Contract Job Locations in the North West

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the North West region over the 6 months to 14 December 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Manchester +1 263 £435 +8.75% 108
Lancashire -4 53 £475 +15.15% 14
Cheshire -22 38 £411 +9.67% 22
Merseyside -20 17 £375 -6.25% 10
TDD
England

For the 6 months to 14 December 2018, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the North West region with a requirement for TDD.

1 289 (75.85%) Agile Software Development
2 201 (52.76%) Java
3 140 (36.75%) BDD
4 126 (33.07%) .NET
5 121 (31.76%) JavaScript
6 115 (30.18%) Scrum
7 110 (28.87%) C#
8 108 (28.35%) Spring
9 99 (25.98%) Test Automation
10 95 (24.93%) DevOps
11 94 (24.67%) Java 8
12 92 (24.15%) Continuous Integration
13 86 (22.57%) CSS
14 85 (22.31%) AngularJS
15 84 (22.05%) Git (software)
15 84 (22.05%) Microservices
16 82 (21.52%) HTML
17 74 (19.42%) Selenium
18 71 (18.64%) Microsoft
19 70 (18.37%) SQL
19 70 (18.37%) Web Services
20 66 (17.32%) Spring Boot
21 65 (17.06%) RESTful
22 62 (16.27%) Microsoft Azure
22 62 (16.27%) Amazon AWS
23 59 (15.49%) MVC
24 56 (14.70%) Jenkins
25 55 (14.44%) Python
26 54 (14.17%) Software Engineering
27 53 (13.91%) Node.js

TDD
Co-occurring IT Skills in the North West by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 17 (4.46%) Confluence
2 15 (3.94%) CMS
3 14 (3.67%) Umbraco
4 13 (3.41%) BizTalk Server
4 13 (3.41%) SharePoint
5 8 (2.10%) Elasticsearch
5 8 (2.10%) Tomcat
6 6 (1.57%) Apache Solr
6 6 (1.57%) Mule
7 5 (1.31%) Apache
7 5 (1.31%) Cloud Foundry
8 4 (1.05%) Apache Spark
8 4 (1.05%) JBoss
9 3 (0.79%) WebLogic
9 3 (0.79%) WebSphere
10 2 (0.52%) CICS
11 1 (0.26%) Commerce Server
11 1 (0.26%) NServiceBus
11 1 (0.26%) Oracle SOA Suite
Applications
1 5 (1.31%) Adobe Illustrator
2 3 (0.79%) Photoshop
3 1 (0.26%) MS Visio
Business Applications
1 38 (9.97%) Dynamics CRM
2 7 (1.84%) Distributed Ledger
3 1 (0.26%) Exstream
3 1 (0.26%) SAP FI
Cloud Services
1 62 (16.27%) Amazon AWS
1 62 (16.27%) Microsoft Azure
2 21 (5.51%) GitHub
3 11 (2.89%) Amazon EC2
3 11 (2.89%) SaaS
4 9 (2.36%) Amazon SQS
5 7 (1.84%) Dynamics 365
6 6 (1.57%) Apigee
7 5 (1.31%) AWS CloudFormation
7 5 (1.31%) IaaS
7 5 (1.31%) npm
8 3 (0.79%) Cloud Computing
8 3 (0.79%) Slack
9 2 (0.52%) Amazon ElastiCache
9 2 (0.52%) Yarn
10 1 (0.26%) AWS Lambda
10 1 (0.26%) Google Analytics
10 1 (0.26%) IBM Cloud
10 1 (0.26%) Serverless
Communications & Networking
1 4 (1.05%) Internet
2 2 (0.52%) HTTP
3 1 (0.26%) Firewall
Database & Business Intelligence
1 51 (13.39%) SQL Server
2 48 (12.60%) PostgreSQL
3 30 (7.87%) MySQL
4 20 (5.25%) MongoDB
5 13 (3.41%) Amazon DynamoDB
6 10 (2.62%) RavenDB
6 10 (2.62%) Relational Database
7 9 (2.36%) Big Data
7 9 (2.36%) NoSQL
8 7 (1.84%) Blockchain
9 6 (1.57%) RDBMS
10 5 (1.31%) DB2
11 4 (1.05%) Apache Hive
11 4 (1.05%) Hadoop
12 3 (0.79%) Apache Cassandra
12 3 (0.79%) Azure SQL Database
12 3 (0.79%) Geospatial Data
12 3 (0.79%) GIS
13 2 (0.52%) SQL Server 2014
13 2 (0.52%) SQL Server Analysis Services
Development Applications
1 84 (22.05%) Git (software)
2 74 (19.42%) Selenium
3 56 (14.70%) Jenkins
4 45 (11.81%) JIRA
5 40 (10.50%) Octopus Deploy
6 35 (9.19%) Maven
7 33 (8.66%) JUnit
7 33 (8.66%) TeamCity
8 31 (8.14%) Visual Studio
9 25 (6.56%) Cucumber
10 23 (6.04%) Bitbucket
10 23 (6.04%) Gatling
11 22 (5.77%) IntelliJ
12 21 (5.51%) Gradle
13 20 (5.25%) gulp
14 17 (4.46%) Spock
15 14 (3.67%) SoapUI
16 12 (3.15%) JMeter
17 10 (2.62%) Mercurial
18 9 (2.36%) Eclipse
General
1 16 (4.20%) Retail
2 13 (3.41%) Back Office
3 11 (2.89%) Finance
4 9 (2.36%) Banking
5 3 (0.79%) Advertising
6 2 (0.52%) Financial Institution
6 2 (0.52%) Front Office
6 2 (0.52%) Games
6 2 (0.52%) Law
6 2 (0.52%) Legal
6 2 (0.52%) Marketing
6 2 (0.52%) Retail Banking
7 1 (0.26%) Manufacturing
7 1 (0.26%) Telecoms
Job Titles
1 281 (73.75%) Developer
2 101 (26.51%) Java Developer
3 62 (16.27%) .NET Developer
4 27 (7.09%) Agile Developer
5 26 (6.82%) Senior Developer
6 25 (6.56%) C# Developer
6 25 (6.56%) CRM Developer
6 25 (6.56%) Java Engineer
7 24 (6.30%) Software Engineer
8 23 (6.04%) Agile Java Developer
8 23 (6.04%) AWS Developer
8 23 (6.04%) Dynamics CRM Developer
9 22 (5.77%) Full Stack Developer
10 20 (5.25%) C# .NET Developer
11 19 (4.99%) Senior Java Developer
12 18 (4.72%) Microsoft Developer
13 17 (4.46%) Front End Developer (Client-Side Developer)
13 17 (4.46%) JavaScript Developer
14 13 (3.41%) Software Developer
15 11 (2.89%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 126 (33.07%) .NET
2 108 (28.35%) Spring
3 86 (22.57%) CSS
4 85 (22.31%) AngularJS
5 82 (21.52%) HTML
6 70 (18.37%) Web Services
7 66 (17.32%) Spring Boot
8 65 (17.06%) RESTful
9 53 (13.91%) Node.js
10 52 (13.65%) Hibernate
11 39 (10.24%) ASP.NET
11 39 (10.24%) React
12 37 (9.71%) SOAP
13 36 (9.45%) REST
14 33 (8.66%) HTML5
15 31 (8.14%) jQuery
16 29 (7.61%) ASP.NET Web API
16 29 (7.61%) XML
17 22 (5.77%) Dropwizard
18 21 (5.51%) CSS3
Miscellaneous
1 36 (9.45%) User Experience
2 16 (4.20%) Analytical Skills
2 16 (4.20%) Greenfield Project
3 14 (3.67%) Mobile App
4 12 (3.15%) Wiki
5 9 (2.36%) Enterprise Software
6 8 (2.10%) Semantic Web
7 7 (1.84%) iPad
7 7 (1.84%) Management Information System
8 5 (1.31%) Distributed Denial-of-Service
9 4 (1.05%) Cloud Native
9 4 (1.05%) Fintech
9 4 (1.05%) NHS
10 3 (0.79%) Data Structures
10 3 (0.79%) Self-Motivation
11 2 (0.52%) Digital TV
11 2 (0.52%) IBM Mainframe
11 2 (0.52%) iPhone
11 2 (0.52%) Mainframe
11 2 (0.52%) SWIFT
Operating Systems
1 18 (4.72%) Linux
1 18 (4.72%) Unix
2 11 (2.89%) Android
3 6 (1.57%) Windows
4 5 (1.31%) Apple iOS
5 3 (0.79%) Red Hat Enterprise Linux
6 2 (0.52%) CentOS
6 2 (0.52%) Oracle Linux
Processes & Methodologies
1 289 (75.85%) Agile Software Development
2 140 (36.75%) BDD
3 115 (30.18%) Scrum
4 99 (25.98%) Test Automation
5 95 (24.93%) DevOps
6 92 (24.15%) Continuous Integration
7 84 (22.05%) Microservices
8 59 (15.49%) MVC
9 54 (14.17%) Software Engineering
10 51 (13.39%) Pair Programming
11 45 (11.81%) Kanban
12 39 (10.24%) CRM
13 38 (9.97%) SOA
14 37 (9.71%) Refactoring
15 36 (9.45%) OO
16 32 (8.40%) SDLC
16 32 (8.40%) SOLID
17 29 (7.61%) Front End Development
18 28 (7.35%) Continuous Deployment
18 28 (7.35%) User Stories
Programming Languages
1 201 (52.76%) Java
2 121 (31.76%) JavaScript
3 110 (28.87%) C#
4 94 (24.67%) Java 8
5 70 (18.37%) SQL
6 55 (14.44%) Python
7 26 (6.82%) PHP
8 12 (3.15%) TypeScript
9 11 (2.89%) Groovy
9 11 (2.89%) PL/SQL
9 11 (2.89%) Scala
10 6 (1.57%) R
11 5 (1.31%) ES6
12 4 (1.05%) Clojure
12 4 (1.05%) Kotlin
12 4 (1.05%) Ruby
13 3 (0.79%) C
13 3 (0.79%) Objective-C
13 3 (0.79%) Shell Script
13 3 (0.79%) T-SQL
Qualifications
1 17 (4.46%) Degree
2 11 (2.89%) Computer Science Degree
3 5 (1.31%) BPSS Clearance
4 3 (0.79%) SC Cleared
4 3 (0.79%) Security Cleared
5 2 (0.52%) DBS Check
6 1 (0.26%) PMI Certification
6 1 (0.26%) PMP
Quality Assurance & Compliance
1 27 (7.09%) QA
System Software
1 43 (11.29%) Docker
2 2 (0.52%) Virtual Machines
Systems Management
1 33 (8.66%) Ansible
2 24 (6.30%) Terraform
3 17 (4.46%) Puppet
4 16 (4.20%) Kubernetes
5 13 (3.41%) Opscode Chef
6 6 (1.57%) Kibana
6 6 (1.57%) logstash
7 4 (1.05%) Packer
8 2 (0.52%) Grafana
8 2 (0.52%) Graylog
8 2 (0.52%) HP Quality Center
8 2 (0.52%) Salt
Vendors
1 71 (18.64%) Microsoft
2 30 (7.87%) Oracle
3 10 (2.62%) Google
4 7 (1.84%) IBM
5 5 (1.31%) Black Duck
6 4 (1.05%) Apple
6 4 (1.05%) Blue Prism
7 3 (0.79%) Adobe
7 3 (0.79%) Xamarin
8 2 (0.52%) Cloudera
8 2 (0.52%) Hortonworks
8 2 (0.52%) MapR
8 2 (0.52%) Red Hat
8 2 (0.52%) SaltStack
8 2 (0.52%) Teradata
9 1 (0.26%) Cypress Semiconductor
9 1 (0.26%) EnterpriseDB
9 1 (0.26%) Facebook
9 1 (0.26%) ServiceNow
9 1 (0.26%) Twitter